Finding the Fourth Proportional to 2,042.38, 3,061.16 and 872.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.38 : 3,061.16 = 872.04 : x
2. Step 2: Convert to fraction form
   2,042.38/3,061.16 = 872.04/x
3. Step 3: Cross multiply
   2,042.38x = 3,061.16 × 872.04
4. Step 4: Simplify right side
   2,042.38x = 2,669,453.97
5. Step 5: Solve for x
   x = 2,669,453.97/2,042.38
6. Step 6: Final answer
   x = 1,307.03